87773920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2268

約数の個数: 96

約数和(自身を含む): 235176480

約数和(自身を除く): 147402560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2080, 2221, 2470, 3040, 3952, 4442, 4940, 7904, 8884, 9880, 11105, 17768, 19760, 22210, 28873, 35536, 39520, 42199, 44420, 57746, 71072, 84398, 88840, 115492, 144365, 168796, 177680, 210995, 230984, 288730, 337592, 355360, 421990, 461968, 548587, 577460, 675184, 843980, 923936, 1097174, 1154920, 1350368, 1687960, 2194348, 2309840, 2742935, 3375920, 4388696, 4619680, 5485870, 6751840, 8777392, 10971740, 17554784, 21943480, 43886960, 87773920]

約数ペア:

[(1, 87773920), (2, 43886960), (4, 21943480), (5, 17554784), (8, 10971740), (10, 8777392), (13, 6751840), (16, 5485870), (19, 4619680), (20, 4388696), (26, 3375920), (32, 2742935), (38, 2309840), (40, 2194348), (52, 1687960), (65, 1350368), (76, 1154920), (80, 1097174), (95, 923936), (104, 843980), (130, 675184), (152, 577460), (160, 548587), (190, 461968), (208, 421990), (247, 355360), (260, 337592), (304, 288730), (380, 230984), (416, 210995), (494, 177680), (520, 168796), (608, 144365), (760, 115492), (988, 88840), (1040, 84398), (1235, 71072), (1520, 57746), (1976, 44420), (2080, 42199), (2221, 39520), (2470, 35536), (3040, 28873), (3952, 22210), (4442, 19760), (4940, 17768), (7904, 11105), (8884, 9880)]